Home / Milling / Mill Tooling / Holder, Boring Bar, 30 NMTB, 3/4″ Bars View cart “Boring Head, Straight Shank, 2-1/4″ Diameter, Lincoln Machine Specialty” has been added to your cart. Holder, Boring Bar, 30 NMTB, 3/4″ Bars$79.00 1 in stock Add to cart Category: Mill Tooling Description Description 30 Taper Boring Bar Holder 3/4″ Bars Related products Boring Head, Straight Shank 1″, Diameter 2-1/2″, Erickson Tenthset $85.00 Add to cart Quick Change Set, Morse Taper #5 MT, Neal Skokie $295.00 Add to cart Boring Head, R-8, Diameter 4″, 1″ Boring Bars, Critereion L624R8 $349.00 Add to cart Boring Head, Straight Shank 3/4″, Diameter 3″ $29.00 Add to cart